Zomwe Muyenera Kudziwa Pofuna Kusintha Koyenera
SQL Server 2008 R2 ndimasulidwe posachedwa muzinthu zamakampani a Microsoft relational database. Monga kusintha kwa SQL Server 2008 nsanja, SQL Server 2008 R2 imabwera pa mtengo wapamwamba kwambiri.
Tiyeni tione zosiyana zisanu ndi ziwiri za SQL Server 2008 R2 zomwe mungagwiritse ntchito:
- SQL Server 2008 R2 Express Edition imalowa m'malo mwa Microsoft Data Engine (MSDE) monga maulendo omasuka a SQL Server kwa chitukuko cha ntchito ndi ntchito yochepa. Amakhalabe omasuka ndipo amakhalabe ndi zolephera za MSDE polemekeza makasitomala ogwirizana ndi ntchito. Ndi chida chachikulu chokhazikitsa ndi kuyesa mapulojekiti ndi zochepa zogwiritsira ntchito, koma ndizo pafupi momwe mungathamangire nazo.
- Gulu la Ogwira Ntchito la SQL Server 2008 R2 likuwonetsedwa ngati "SQL Server" yaing'ono ndipo imapereka ntchito yodabwitsa ya $ 3,899 mtengo wa pulogalamu. (Iwenso ikupezeka pansi pa chilolezo cha 5-user for $ 739). Kusindikiza kwa gulu lakumagulu kuma 2 CPUs ndi 3GB ya RAM ndipo imalola ntchito zambiri zomwe mungayembekezere kuchokera pa seva-based relation database. Zimaperekanso mphamvu zowerengera zochepa.
- Mndandanda wa SQL Server 2008 R2 Standard Edition umakhalabe chinthu chofunika kwambiri cha mndandanda wazinthu zofunikira kwambiri. Ikhoza kuthana ndi ma CPU 4 omwe ali ndi ndalama zopanda malire. Standard Edition 2005 imayambitsa maofesi a mirroring ndi kuyanjana. Ikugulitsidwa pa $ 7,499 kwa purosesa kapena $ 1,849 kwa ogwiritsa asanu.
- SQL Server 2008 Enterprise Edition tsopano yaying'ono kwambiri kuposa kale. Kalekale linathandiza mapurosesa opanda malire koma tsopano yayikidwa pa ma CPU 8. Ziri zodula kwambiri kuposa kale pa $ 28,749 purosesa kapena $ 13,969 kwa abusa 25.
- SQL Server 2008 R2 Datacenter Edition imapereka mapulogalamu okwana 256 ndipo imapereka mapeto otsiriza. Katsamba kakang'ono kamapereka mwayi wopezera zipangizo zamakono zatsopano za SQL Server ndipo zimalola kugwiritsa ntchito chikumbukiro chosagwiritsidwa ntchito.
- Magazini ina yatsopano, SQL Server 2008 R2 Parallel Data Warehouse Edition imapereka njira yothetsera zogwiritsira ntchito zogwiritsira ntchito zosungirako zosungirako deta. Ikugwirizanitsa zomangamanga zowonongeka zogwiritsira ntchito deta.
- Okulitsa omwe akufunikira zonse za SQL Server 2008 R2 Enterprise Edition kuti agwiritsidwe ntchito m'malo osapanga angathe kupeza SQL Server 2008 R2 Developer Edition chombo choyenera cha ntchitoyo. Chogulitsa ichi chiri ndi ndendende momwemo monga Enterprise Edition ndipo imasiyana kokha ndi layisensi. (O, ndipo mwa njira, ndi yotchipa kwambiri pa $ 50 pa layisensi!) Microsoft imaperekanso njira yowonjezera yosinthira ma seva osintha kuti apange chilolezo chopanga
- SQL Server 2008 R2 Web ndizopadera za SQL Server kuti zithe kugwiritsidwa ntchito pa intaneti. Monga magazini ya Standard, ilibe malire pa kuchuluka kwa kukumbukira kukugwiritsidwa ntchito ndikugwiritsira ntchito mpaka 4 CPUs. Mitengo yamakono a pa intaneti imatha $ 15 pa purosesa pamwezi.
- SQL Server 2008 R2 Compact ndiwomboledwe la SQL Server kuti ligwiritsidwe ntchito mmalo osungidwa, monga mafoni a m'manja ndi machitidwe ena a Windows.
Izi zikuwerengera zosankha zomwe zilipo SQL Server 2008 R2. Monga momwe mwawonera, Microsoft imapereka malayisensi osiyanasiyana ndikusankha zolondola pa malo anu angakupulumutseni madola zikwi zambiri.